65440082 has 4 divisors (see below), whose sum is σ = 98160126. Its totient is φ = 32720040.

The previous prime is 65440079. The next prime is 65440091. The reversal of 65440082 is 28004456.

65440082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 26739241 = 6221^2 + 5171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16360019 + ... + 16360022.

Almost surely, 2^65440082 is an apocalyptic number.

65440082 is a deficient number, since it is larger than the sum of its proper divisors (32720044).

65440082 is a wasteful number, since it uses less digits than its factorization.

65440082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32720043.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 65440082 is about 8089.5044347599. The cubic root of 65440082 is about 402.9779454175.

The spelling of 65440082 in words is "sixty-five million, four hundred forty thousand, eighty-two".